Base Offering Circular - Multifamily 482090 92 Weighted Average Loan Age..... With respect to designated Ginnie Mae Multifamily Certificates and a Cut-off Date, the average loan age, expressed in months, as of the Cut-off Date, of the Mortgage Loans underlying the Ginnie Mae Multifamily Certificates, weighted on the basis of the respective current principal balances of those Mortgage Loans after giving effect to all payments of principal due on or before the Cut- off Date. Weighted Average Net Certificate Rate........................... With respect to a Series (or, if the Ginnie Mae Multifamily Certificates are segregated into Trust Asset Groups, the Ginnie Mae Multifamily Certificates in a designated Trust Asset Group), for any Distribution Date, the per annum rate of interest equal to the average, expressed as a percentage, of the Net Certificate Rates of some or all Trust MBS in a designated Trust Asset Group or Groups, weighted on the basis of the respective current principal balances of those Trust MBS immediately following the applicable Ginnie Mae Certificate Payment Date in the month preceding the month of that Distribution Date. Weighted Average Original Term to Maturity ........................ With respect to designated Ginnie Mae Multifamily Certificates and a Cut-off Date, the average, expressed in months, of the original terms to maturity of all the Mortgage Loans underlying the Ginnie Mae Multifamily Certificates, weighted on the basis of the respective current principal balances of those Mortgage Loans all payments of principal due on or before the Cut-off Date. Weighted Average Period From Issuance................. With respect to designated Ginnie Mae Multifamily Certificates and a Cut-off Date, the average, expressed in months, of the remaining period from issuance, as of the Cut-off Date, of all the Mortgage Loans underlying the Ginnie Mae Multifamily Certificates, weighted on the basis of the respective current principal balances of those Mortgage Loans after giving effect to all payments of principal due on or before the Cut-off Date.  For purposes of this definition “issuance” means the later of (a) one month prior to the first interest rate payment date after the most recent FHA endorsement and (b) the Cut-off Date of the related Ginnie Mae Multifamily Certificate, unless otherwise indicated in the Offering Circular Supplement.